Come and see our amazing products. The bottle is made with premium quality food-grade Silicone. The materials used are non-toxic, BPA free and FDA approved. When fully folded, bottle's size reduces by more than 70%. Its special design makes folding and unfolding processes very easy and fast and the carabiner hook allows its easy attachment to backpacks and bags. The bottle's fully unfolded height is 7inches which reduces to 1.57 inches when folded. The bottle is broadly heat resistant covering temperature ranges from -50C to 200C. Its capacity is 500 ml/17 floz and its weight is 145g. When its lid is correctly in place the bottle is completely leak proof. The bottle is very easy to clean and also dishwasher safe. Customized logo is welcomed. A great idea for promotion gift. Pls confirm with us about the packing info, stock color and exact production time before placing your order